Which of the following hypothetical observations would contradict ...

[Bernana]

Which of the following hypothetical observations would contradict our theories about the formation and evolution of white dwarfs?
 
  A) discovery of a white dwarf with a surface temperature of 6000 K
  B) discovery of a white dwarf with a 1.5 Msun mass main-sequence companion
  C) discovery of a white dwarf with a mass 1.5 times that of the Sun (1.5 Msun)
  D) discovery of a white dwarf at the center of a planetary nebula

Question 2

The proton-proton chain converts four hydrogen nuclei into one helium nucleus plus energy.
 
  Indicate whether the statement is true or false

[Jsherida]

Answer to Question 1

C

Answer to Question 2

TRUE

[Bernana]

Thanks

[Jsherida]

Welcome